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Gas chemical sensors were identified in the past few years as valuable candidate for food safety controls, e.g. early diagnosis of microbial contamination. Microbial management is a crucial task in food processing industry all along the entire food production chain; residual contamination may lead to loss of quality and, if the microorganisms are pathogens, can bring about severe risks for consumers'...
Microbial contamination can easily affect processed tomato, thus determining both organoleptic adulterations and potential health risks for customers. Innovative techniques for a rapid and reliable diagnose of spoilage, such as electronic nose technology, are highly requested in order to guarantee food safety and to improve production. In this work canned peeled tomatoes were artificially spoiled...
The aromatic profile of microbiologically contaminated canned tomatoes was analyzed by the dynamic headspace extraction technique coupled with gas chromatography–mass spectrometry. Canned tomatoes contaminated with Escherichia coli, Saccharomyces cerevisiae and Aspergillus carbonarius were analyzed after 2 and 7 days. About 100 volatiles were detected, among which alcohols, aldehydes and ketones were...
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